<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>验证码</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            background-color: #f5f7fa;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        .container {
            max-width: 600px;
            margin: 0 auto;
            padding: 24px;
            background-color: #ffffff;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .title {
            font-size: 20px;
            font-weight: bold;
            color: #333;
            text-align: center;
        }

        .code {
            display: inline-block;
            font-size: 28px;
            font-weight: bold;
            letter-spacing: 4px;
            color: #2f54eb;
            background-color: #f0f3ff;
            padding: 12px 24px;
            border-radius: 6px;
            margin: 16px 0;
        }

        .tips {
            font-size: 14px;
            color: #666;
            text-align: center;
            line-height: 1.6;
        }

        .footer {
            font-size: 12px;
            color: #999;
            text-align: center;
            margin-top: 20px;
        }
    </style>
</head>
<body>
    <table width="100%" cellpadding="0" cellspacing="0" bgcolor="#f5f7fa">
        <tr>
            <td align="center" style="padding: 40px 0;">
                <div class="container">
                    <div class="title">验证码</div>
                    <p style="margin-top:20px;">您好，您正在进行绑定操作，请使用以下验证码：</p>
                    <span class="code">{{code}}</span>
                    <p class="tips">验证码有效期为 <strong>{{expired}}分钟</strong>，请勿泄露给他人。</p>
                    <p class="tips">
                        如有疑问，可通过【
                        <a href="https://fastapi-practices.github.io/fastapi_best_architecture_docs/backend/reference/config.html#captcha-login-expire-seconds">
                            官网-互动
                        </a>
                        】获取帮助，感谢您对 fba 的支持！
                    </p>
                    <div class="footer">
                        如果这不是您的操作，请忽略此邮件。<br>
                        本邮件由系统自动发送，请勿直接回复。
                    </div>
                </div>
            </td>
        </tr>
    </table>
</body>
</html>
